/*
  SOLID - Interference Detection Library
  Copyright (C) 1997 Gino van den Bergen

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public
  License along with this library; if not, write to the Free
  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

  Please send remarks, questions and bug reports to gino@win.tue.nl,
  or write to:
                  Gino van den Bergen
		  Department of Mathematics and Computing Science
		  Eindhoven University of Technology
		  P.O. Box 513, 5600 MB Eindhoven, The Netherlands
*/

#ifndef _POINTBUF_H_
#define _POINTBUF_H_

#include <3D/Point.h>

class PointBuf {
public:
  PointBuf(int n = 16) : points(new Point[n]), npoints(0), maxpoints(n) {}
  ~PointBuf() { delete [] points; }

  const Point& operator[](int i) const { return points[i]; }
  Point& operator[](int i) { return points[i]; }

  void push_back(const Point& p);
  
  int size() const { return npoints; }
  
  void clear() { npoints = 0; }

  operator const Point *() const { return points; }

private:
  Point *points;
  int npoints;
  int maxpoints;
};

#endif
